Home / Stamps / AUSTRALIA / KGV HEADS (1914) / C of A Wmk (1931-36) STAMPS C of A Wmk (1931-36) Overprinted 'OS' (2) ½d 'ORANGE' (2) 1d 'GREEN' (29) 1½d 'BROWN' (4) 2d 'RED' Die 3 (5) 3d 'ULTRAMARINE' (6) 4d 'OLIVE' (10) 5d 'BROWN' (10) 1/4d 'TURQUOISE' (10)